The Pfeiffer Duo 35 Dual Stage Rotary Vane Vacuum Pump is designed and manufactured to meet the demanding requirements of various industrial and scientific applications requiring low to medium vacuum. The Duo 35 can achieve an Ultimate pressure of 2.25×10-3 Torr, has a 3 phase 220/380 VAC 60Hz, 230/400 VAC 50Hz motor, pumps up to 21 CFM and runs at a modest 61 Db. This Duo 35 runs on P3 Hydrocarbon oil only, which will need to be bought separately in order to be ready for use out of the box. Check our “related” section below for oil and other accessories. Pfeiffer part number PK D45 642.
DUO Series Pumps
NEW Pfeiffer DUO 35 Dual Stage Rotary Vane Vacuum Pump, 208-230 VAC (3phase) PKD45642
Advantages
●Environmentally Friendly – No Oil Leaks
●Minimum Operation Costs – No Shaft Seal
●No Exchange Between Process Gas & Environment
●Integrated Safety & Gas Ballast Valve
Applications
●Analytical Industry – Metallurgy
●Coating – Research & Development
●Drying – Chemistry – Roughing
$7,749.74
CompareFeature | UNO 35 | DUO 35 |
Flange (in) | DN 40 ISO-KF | DN 40 ISO-KF |
Flange (out) | DN 40 ISO-KF | DN 40 ISO-KF |
Pumping speed at 50 Hz | 32 m3/h | 32 m3/h |
Pumping speed at 60 Hz | 36 m3/h | 36 m3/h |
Ultimate pressure with gas ballast | ≤ 5 X 10-2 mbar | ≤ 5 X 10-3 mbar |
Ultimate pressure without gas ballast | ≤ 1 mbar | ≤ 3 X 10-3 mbar |
Leakage rate safety valve | ≤ 1 X 10-4 mbar • l/s | ≤ 1 X 10-4 mbar • l/s |
Water vapor tolerance at 50 Hz | 30 mbar | 20 mbar |
Water vapor tolerance at 60 Hz | 30 mbar | 20 mbar |
Water vapor capacity 50 Hz | 700 g/h | 500 g/h |
Water vapor capacity 60 Hz | 780 g/h | 560 g/h |
Emission sound pressure level without gas ballast | ≤ 61 dB (A) | ≤ 61 dB (A) |
Pump fluid filling | 4.5 I | 3.2 I |
Rated power 50 Hz | 1.1 kW | 1.1 kW |
Rated power 60 Hz | 1.25 kW | 1.25 kW |
Nominal rotation speed at 50 Hz | 1400 rpm | 1400 rpm |
Nominal rotation speed at 60 Hz | 1690 rpm | 1690 rpm |
Weight | 50 kg | 56 kg |